#CDD1EB
Closest named color: Cadet Gray (#CED4DA). oklch(86.6% 0.036 278.7), rgb(205, 209, 235).
Aa
Black text reads best on this color (13.91:1).
About this color
#CDD1EB is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.036 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.028 away. Black text reads best on it, at 13.91:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 13.91:1 |
| White text | 1.50:1 |
Values
| HEX | #CDD1EB |
| RGB | rgb(205, 209, 235) |
| HSL | hsl(232, 43%, 86%) |
| OKLCH | oklch(86.6% 0.036 278.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #CDD1EB | 1.50:1 | Fails | Lc -27.0 | Dividers and decoration only |
| Black text on #CDD1EB | 13.91:1 | AAA | Lc 80.0 | Fine for body text |
| #CDD1EB text on white | 1.50:1 | Fails | Lc 23.8 | Dividers and decoration only |
| #CDD1EB text on black | 13.91:1 | AAA | Lc -79.4 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200 (this color)
#CDD1EB
oklch(86.6% 0.036 278.7)
-
Step 300
300
#B9BEDF
oklch(80.8% 0.047 278.5)
-
Step 400
400
#969CCF
oklch(70.7% 0.075 279.1)
-
Step 500
500
#7D83C2
oklch(63% 0.095 279.1)
-
Step 600
600
#666CAF
oklch(55.6% 0.104 278.6)
-
Step 700
700
#555A96
oklch(49.1% 0.096 278.6)
-
Step 800
800
#464A7A
oklch(42.8% 0.079 278.9)
-
Step 900
900
#3A3E62
oklch(37.7% 0.062 278.2)
-
Step 950
950
#222439
oklch(26.9% 0.039 279.2)
#CDD1EB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #CAD3EC | 0.006 |
| Deuteranopia (no green cones) | #C9D1EA | 0.006 |
| Tritanopia (no blue cones) | #C7D5D9 | 0.032 |
| Achromatopsia (no color) | #D2D2D2 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDD1EB
#CDD1EB
oklch(86.6% 0.036 278.7)
- #D8D4B9
#D8D4B9
oklch(86.6% 0.036 100.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CDD1EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.028
- Light Gray #D3D3D3 ΔE 0.036
- Light Blue Grey #B7C9E2 ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.044
- Thistle #D8BFD8 ΔE 0.046
- Gainsboro #DCDCDC ΔE 0.046
- Light Periwinkle #C1C6FC ΔE 0.047
- Pale Lilac #E4CBFF ΔE 0.049
Use #CDD1EB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.